[Market-farming] Bats for cucumber beetles
cedarrockcsa at yahoo.com
Thu Nov 30 14:48:59 EST 2006
Can take a few years once you have a bat house up
before it is populated. Make sure you paint it a dark
color, as you live in the north.
A bat ecologist I know says to check out
http://www.batcon.org and http://www.batmanagement.com
for info and plans.
--- Tradingpost <tradingpost at lobo.net> wrote:
> One of the most intriguing and surprising bits of
> information I've seen on
> this list to date. Reminds me, we've seen bats here
> in central NM in the
> evenings. Will bat houses encourage them to dine
> here more?
> paul tradingpost at lobo.net
> Beware of all enterprises that require new clothes.
> --Henry David Thoreau
> *********** REPLY SEPARATOR ***********
> On 11/29/2006 at 1:04 PM Steve Diver wrote:
> >The basic approach is "build it and they will
> >I know farmers that erect bat houses as one the
> >of farmscaping for biological insect control.
> >There might be an interesting correlation to
> >high altitude bats and high altitute cucumber
> >beetles, flying on air currents.
> >Spotted cuke beetles overwinter in the South,
> >then migrate into northern states.
> >One study showed that spotted cuke beetles can
> >travel 500 miles in 3 or 4 days by high-altitude
> >Same thing with corn earworms. The numbers
> >of corn earworms flying up from South Texas
> >and Mexico are astronomical.
> >Many studies have showed bats feed
> >on corn earworms, etc, at high altitudes.
> >If you calculate the potential larva control for
> >striped cucumber beetle, the numbers are even
> >Spotted cuke beetles lay 200-300 eggs per
> >female and striped cuke beetles lay as many
> >as 1500 eggs per female. These are laid in
> >clusters over a period of several weeks.
> >Cuke beetles are strong fliers and move from
> >field to field. So bats can also catch them at
> >lower levels, swooping around with echolocation.
> >Steve Diver
> Market-farming mailing list
> Market-farming at lists.ibiblio.org
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